They are 1 cubic foot bags. Here's where it is on their website (in the non-professional section under Vegetables & Herbs):
http://www.newpromix.com/en/pro-mix-...e-organic-mix/ (the various BX's are in the professional section). I'm torn because on one hand I do want to wait and call them to see if they know of anywhere around here I could buy the BX. Then again, I
am ultra eager to get it in the containers with the dolomite though.
I posted a question about the Ultimate Organic stuff on the Earthbox forum and they say I should be good to use it in the EB, even though seaweed compost is the 2nd ingredient (after spagnum peat moss). So - I could just take a chance!
Decisions, decisions!!